Goodwill - Disclosure of detailed information about key assumptions for the CGU's (Details) - $ / ounce	Dec. 31, 2021	Dec. 31, 2020
Statements Line Items
Post-tax real discount rate	4.30%	3.50%
Long-term gold price [Member]
Statements Line Items
Gold price per ounce	1,600	1,600
Long-term silver price [Member]
Statements Line Items
Silver price per ounce	21	20

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2021-01-01
-Paragraph 134
-Subparagraph d
-Clause v
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_d_v&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2021-01-01
-Paragraph 134
-Subparagraph e
-Clause v
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_e_v&doctype=Standard
-URIDate 2021-03-24

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Period Type:	instant